/Engine/Source/Runtime/ApplicationCore/Public/GenericPlatform/Accessibility/GenericAccessibleInterfaces.h
FAccessibleEventArgs ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IAccessibleWidget](API\Runtime\ApplicationCore\GenericPlatform\Accessibility\IAccessibleWidget) > InWidget, EAccessibleEvent InEvent, [FVariant](API\Runtime\Core\Misc\FVariant) InOldValue, [FVariant](API\Runtime\Core\Misc\FVariant) InNewValue, FAccessibleUserIndex InUserIndex )